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After sending a message to the Citymapper team, they’ll include an on-brand easter egg of how long your message took to send.
Behind this Bite
i.e., in the same way they shown when the next train arrives.
AI insights
Insights
User Delight is about adding small, fun moments that make people smile. Citymapper’s message ETA easter egg adds personality, making the app feel more friendly and memorable.
The Labour Illusion means people value things more when they see effort. Showing the message 'ETA 0.02 sec' makes sending feedback feel fast and cared for, boosting trust in Citymapper.
Citymapper uses playful easter eggs elsewhere, like the underground illustration after scrolling. Both moments surprise users and reinforce the brand’s fun, approachable tone.
Tigerbeetle adds delight with a clickable mascot in their footer. Both Citymapper and Tigerbeetle use hidden, interactive touches that make users feel happy and engaged.
Uber Eats shows animated delivery scooters after ordering. Like Citymapper’s ETA, these details set a playful, reassuring tone so users feel the brand is attentive and unique.
Related psychology:
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UI Components:
Posted 10/10/2025
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